//
//  NSData+SubData.h
//  socketIO
//
//  Created by zhao on 8/3/16.
//  Copyright © 2016 le. All rights reserved.
//

#import <Foundation/Foundation.h>

@interface NSData (SubData)
- (NSData *) dataFromIndex:(NSInteger)index;
- (UInt8) dataAtIndex:(NSInteger)index;
@end
